Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/111946
Title: Intracellular localization of human DNA repair enzyme methylguanine-DNA methyltransferase by antibodies and its importance
Authors: Ayi, T.C. 
Loh, K.C.
Ali, R.B.
Li, B.F.L. 
Issue Date: 1-Dec-1992
Citation: Ayi, T.C.,Loh, K.C.,Ali, R.B.,Li, B.F.L. (1992-12-01). Intracellular localization of human DNA repair enzyme methylguanine-DNA methyltransferase by antibodies and its importance. Cancer Research 52 (23) : 6423-6430. ScholarBank@NUS Repository.
Abstract: The human DNA repair enzyme, methylguanine-DNA methyltransferase (MGMT, Mr 21,000), which protects cells against the mutagenic effect of alkylating carcinogens, was found to be localized in the cell nucleus (except the nucleolus) by immunofluorescence staining using polyclonal and monoclonal antibodies. The supporting experiments came from differential staining of the MGMT-deficient (mer-) and -proficient (mer+) cells, Western blotting analysis, and specific antibody depletion studies with the immobilized fusion protein, GSTMGMT-glutathione-Sepharose. Its localization in the nucleus agrees with its biological function and possibly explains the ineffective protection of mammalian cells (mer-) transfected with the Escherichia coli MGMT genes from bifunctional alkylating agents.
Source Title: Cancer Research
URI: http://scholarbank.nus.edu.sg/handle/10635/111946
ISSN: 00085472
Appears in Collections:Staff Publications

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